What might be an outcome of large-scale clear-cutting? 

A)  increased biodiversity 
B)  decreased water pollution 
C)  flood prevention 
D)  habitat fragmentation

Large-scale Clear-cutting

The practice of cutting down all the trees in a large area at once, a controversial method of logging that can have significant environmental impacts.

Habitat Fragmentation

The process by which large and continuous habitats are divided into smaller, isolated patches, often due to human activities.

Biodiversity

the variety and variability of life forms within a given ecosystem, region, or the entire Earth.